Submission #1111867

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Source Code Expand

#include <cstdio>
 
using namespace std;
 
int period[485];
 
int main() {
    int N;
    scanf("%d", &N);
 
    for (int i=0; i<N; ++i) {
        int S, E;
        scanf("%d-%d", &S, &E);
        ++period[S/100*12+S%100/5];
        --period[E/100*12+(E%100+4)/5];
    }
 
    bool is_opened=period[0];
    if (is_opened)
        printf("0000-");
 
    for (int i=1; i<=480; ++i) {
        period[i] += period[i-1];
        if (is_opened && !period[i]) {
            printf("%04d\n", i/12*100+i%12*5);
            is_opened = false;
        } else if (!is_opened && period[i]) {
            printf("%04d-", i/12*100+i%12*5);
            is_opened = true;
        }
    }
 
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:13:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d-%d", &S, &E);
                               ^

Judge Result